A coating material for a silicon carbide-based honeycomb structure, the coating material including from 20 to 75% by mass of ceramic powder (A), the ceramic powder (A) including from 55 to 95% by mass of silicon carbide and from 5 to 30% by mass of silicon dioxide as chemical components.

Batch compositions containing pre-reacted inorganic spheroidal particles, small amount of fine inorganic particles (“fines”), and an extremely large amount of liquid vehicle. The batch compositions contain pre-reacted inorganic particles having a particle size distribution with 20 μm≤D50≤100 μm, D90≤100 μm, and D5≥10 μm; less than 20 wt % of fine inorganic particles (fines) whose particle distribution(s) have a median diameter of less than 5 μm; and a liquid vehicle in a weight percent (LV %≥28%) by super-addition to all inorganic particles in the batch composition. Fast extruding batch compositions having extremely high Tau Y/Beta ratios are provided. Green bodies, such as green honeycomb bodies and methods of manufacturing green honeycomb bodies are provided, as are other aspects.

Disclosed herein are embodiments of low temperature co-fireable dielectric materials which can be used in conjunction with high dielectric materials to form composite structures, in particular for isolators and circulators for radiofrequency components. Embodiments of the low temperature co-fireable dielectric materials can be scheelite or garnet structures, for example, bismuth vanadate. Adhesives and/or glue is not necessary for the formation of the isolators and circulators.

An energy storage element and method of fabrication thereof are disclosed. An energy storage element includes a set of electrodes where one or more electrodes have extended conductive paths through nano-channel electric interconnections with ceramic particles in one or more dielectric layers. The electrode's electric field is extended into the dielectric material providing increased capacitance. The set of electrodes can include a pair of electrode layers respectively attached directly to opposing sides of one dielectric layer. The set of electrodes, which can also be referred to as multi-layer electrodes, can include a plurality of electrode layers interleaved between, and directly attached to, a plurality of stacked dielectric layers.

A piezoelectric thin film 3 contains a metal oxide, the metal oxide contains bismuth, potassium, titanium, iron and element M, the element M is at least one of magnesium and nickel, at least a part of the metal oxide is a crystal having a perovskite structure, and a (001) plane, a (110) plane or a (111) plane of the crystal is oriented in a normal direction dn of the surface of the piezoelectric thin film 3.

The present invention relates to a conductive porous ceramic substrate and a method of manufacturing the same, and more particularly to a conductive porous ceramic substrate, in which a porous ceramic substrate used as a chuck or stage for fixing a thin semiconductor wafer substrate or display substrate through vacuum adsorption is imparted with antistatic performance so as to prevent the generation of static electricity, and a method of manufacturing the same.

A method for forming a refractory material is described comprising the steps of placing a core material 12 into a granulator device 16, operating the granulator device 16 to form the core material into granules 16, adding a coating material 18 to the granulator device 16, operating the granulator device 16 to result in the formation of a layer 20 of the coating material 18 encapsulating the granules 16, and then heating the coated granules 22. Materials manufactured using the method are also described.

A method of manufacturing ceramic composite material comprises forming a combination of flowable metal oxide precursor (102), which is water-insoluble, and electroceramic powder (104) for covering surfaces of the electroceramic particles (500) with the metal oxide precursor (102), the electroceramic powder (104). A major fraction of the particles (500) has particle diameters within a range 50 μm to 200 μm, and a minor fraction of the particles has diameters smaller than the lower limit of said range, the major fraction having a variety of particle diameters. Then pressure 100 MPa to 500 MPa is applied to said combination, and said combination is exposed, under the pressure, to a heat treatment, which has a maximum temperature within 100° C. to 500° C. for a predefined period for forming the ceramic composite material.

Aluminum titanate-containing particles made up of a conglomerate of multiple partial grains. The aluminum titanate-containing particles are formed by breaking apart ceramic bodies along cracks, which are formed predominantly through the grains, rather than between the grains. Batch mixtures forming the aluminum titanate-containing particles, as well as batch mixtures utilizing the aluminum titanate particles are disclosed. Green bodies, such as green honeycomb bodies having peak intensity ratios (PIRs) in an axial direction of less than or equal to 0.50, ceramic honeycomb bodies, methods of manufacturing green honeycomb bodies, and ceramic honeycomb bodies are provided, as are other aspects.

A hard lead zirconate titanate (PZT) ceramic has an ABO.sub.3 structure with A sites and B sites. The PZT ceramic is doped with Mn and with Nb on the B sites and the ratio Nb/Mn is <2. A piezoelectric multilayer component having such a PZT ceramic and also a method for producing a piezoelectric multilayer component are also disclosed.